{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T15:16:40Z","timestamp":1769181400265,"version":"3.49.0"},"reference-count":27,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"2","license":[{"start":{"date-parts":[[2009,2,1]],"date-time":"2009-02-01T00:00:00Z","timestamp":1233446400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Biomed. Eng."],"published-print":{"date-parts":[[2009,2]]},"DOI":"10.1109\/tbme.2008.2006031","type":"journal-article","created":{"date-parts":[[2008,10,7]],"date-time":"2008-10-07T19:33:52Z","timestamp":1223408032000},"page":"328-335","source":"Crossref","is-referenced-by-count":14,"title":["Spatiotemporal Frequency Analysis of Ventricular Fibrillation in Explanted Human Hearts"],"prefix":"10.1109","volume":"56","author":[{"given":"K.","family":"Umapathy","sequence":"first","affiliation":[]},{"given":"S.","family":"Masse","sequence":"additional","affiliation":[]},{"given":"E.","family":"Sevaptsidis","sequence":"additional","affiliation":[]},{"given":"J.","family":"Asta","sequence":"additional","affiliation":[]},{"given":"S.","family":"Krishnan","sequence":"additional","affiliation":[]},{"given":"K.","family":"Nanthakumar","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2002.01035.x"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/5.30749"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/ISCAS.1989.100577"},{"key":"ref13","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1049\/ip-smt:19982322","article-title":"Comparison of techniques for time-frequency analysis of the ECG during human VF","volume":"145","author":"clayton","year":"1998","journal-title":"Proc IEEE Sci Meas Technol"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/51.376752"},{"key":"ref15","first-page":"45","article-title":"Time-frequency representation of epicardial electrograms during ventricular fibrillation","volume":"36","author":"moghe","year":"2000","journal-title":"Biomed Sci Instrum"},{"key":"ref16","first-page":"hb25","article-title":"Frequency modulation within electrocardiograms during ventricular fibrillation","volume":"279","author":"patwardhan","year":"2000","journal-title":"Amer J Physiol"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8159.1992.tb02900.x"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000074280.62478.E1"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1155\/ASP\/2006\/86712"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1161\/hh2401.100818"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000104563.12408.12"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.106.618587"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.105.602870"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.0000031801.84308.F4"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.86.4.408"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.01336.2006"},{"key":"ref2","first-page":"2s","article-title":"Mechanisms of atrial fibrillation: Mother rotors or multiple daughter wavelets, or both?","volume":"9","author":"jalife","year":"1998","journal-title":"J Cardiovasc Electrophysiol"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1161\/01.RES.86.4.408","article-title":"Distribution of excitation frequencies on the epicardial and endocardial surfaces of fibrillating ventricular wall of the sheep heart","volume":"86","author":"evans","year":"2000","journal-title":"Circ Res"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra000650"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1155\/ASP.2005.2848"},{"key":"ref22","article-title":"Time-frequency toolbox&#x2014;Tutorial,&#x201D; Centre National de la Recherche Scientifique (CNRS), France, and Rice University","author":"auger","year":"1996"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/IEMBS.2004.1403149"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1046\/j.1540-8167.2003.03218.x"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.86.1.86"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa065457"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1063\/1.166307"}],"container-title":["IEEE Transactions on Biomedical Engineering"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx5\/10\/4808337\/04639506.pdf?arnumber=4639506","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,10,10]],"date-time":"2021-10-10T23:59:43Z","timestamp":1633910383000},"score":1,"resource":{"primary":{"URL":"http:\/\/ieeexplore.ieee.org\/document\/4639506\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,2]]},"references-count":27,"journal-issue":{"issue":"2"},"URL":"https:\/\/doi.org\/10.1109\/tbme.2008.2006031","relation":{},"ISSN":["0018-9294","1558-2531"],"issn-type":[{"value":"0018-9294","type":"print"},{"value":"1558-2531","type":"electronic"}],"subject":[],"published":{"date-parts":[[2009,2]]}}}